Some 20 children and six adults were killed when an armed man stormed into a school in Newtown, Conn., and opened fire. The gunman himself died, though the circumstances around his death remain undetermined. Another adult was also killed in a related crime at a separate location.

Some 20 children and six adults were killed when an armed man stormed into a school in Newtown, Conn., and opened fire. The gunman himself died, though the circumstances around his death remain undetermined. Another adult was also killed in a related crime at a separate location.